/* Genel stil ayarları */
body {
    font-family: 'Arial', sans-serif;
    background-color: #f9f9f9;
    margin: 0;
    padding: 0;
}

/* Ana kapsayıcı alan */
.main-container {
    width: 80%;
    margin: 0 auto;
    padding: 20px;
}

/* Başlık stili */
h1 {
    text-align: center;
    font-size: 2.5em;
    color: #333;
}

h2 {
    font-size: 2em;
    margin-top: 30px;
    text-align: center;
}

/* Form ve butonlar */
form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 600px;
    margin: 0 auto 30px auto;
    padding: 25px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
}

/* Kategori etiketleri ve seçim */
form label {
    font-size: 1.2em;
    color: #333;
}

/* Seçim kutuları */
form select {
    padding: 12px;
    font-size: 1.1em;
    border-radius: 5px;
    border: 1px solid #ddd;
    background-color: #f9f9f9;
    cursor: pointer;
}

form select:focus {
    border-color: #4CAF50;
    outline: none;
}

/* Buton stilleri */
form button[type="submit"] {
    background-color: #4CAF50;
    color: white;
    font-size: 1.3em;
    padding: 12px 25px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
    margin-top: 20px;
}

/* Hover efekti butonlarda */
form button[type="submit"]:hover {
    background-color: #45a049;
    transform: translateY(-3px);
}

/* Hata mesajı */
.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    font-size: 1.2em;
    text-align: center;
}

/* Görsel içerik (grafik) */
img {
    max-width: 100%;
    display: block;
    margin: 30px auto;
}

/* Grafik başlığı */
h2, .error-message {
    text-align: center;
}

/* Responsive tasarım */
@media (max-width: 768px) {
    .main-container {
        width: 95%;
    }

    form {
        width: 100%;
        padding: 15px;
    }

    form button[type="submit"] {
        font-size: 1.1em;
        padding: 10px 20px;
    }







    /* Geri Dön Butonu Stili */
.geri-don-btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #6c757d;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.1em;
    transition: background-color 0.3s ease;
}

.geri-don-btn:hover {
    background-color: #5a6268;
}
}